| /* |
| * Copyright (C) 2007 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "JSNamedNodesCollection.h" |
| |
| #include "AtomicString.h" |
| #include "NamedAttrMap.h" |
| #include "Node.h" |
| #include "kjs_dom.h" |
| |
| namespace WebCore { |
| |
| using namespace KJS; |
| |
| const ClassInfo JSNamedNodesCollection::info = { "Collection", 0, 0, 0 }; |
| |
| // Such a collection is usually very short-lived, it only exists |
| // for constructs like document.forms.<name>[1], |
| // so it shouldn't be a problem that it's storing all the nodes (with the same name). (David) |
| JSNamedNodesCollection::JSNamedNodesCollection(ExecState* exec, const Vector<RefPtr<Node> >& nodes) |
| : m_nodes(nodes) |
| { |
| setPrototype(exec->lexicalInterpreter()->builtinObjectPrototype()); |
| } |
| |
| JSValue* JSNamedNodesCollection::lengthGetter(ExecState* exec, JSObject* originalObject, const Identifier& propertyName, const PropertySlot& slot) |
| { |
| JSNamedNodesCollection* thisObj = static_cast<JSNamedNodesCollection*>(slot.slotBase()); |
| return jsNumber(thisObj->m_nodes.size()); |
| } |
| |
| JSValue* JSNamedNodesCollection::indexGetter(ExecState* exec, JSObject* originalObject, const Identifier& propertyName, const PropertySlot& slot) |
| { |
| JSNamedNodesCollection *thisObj = static_cast<JSNamedNodesCollection*>(slot.slotBase()); |
| return toJS(exec, thisObj->m_nodes[slot.index()].get()); |
| } |
| |
| bool JSNamedNodesCollection::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot) |
| { |
| if (propertyName == exec->propertyNames().length) { |
| slot.setCustom(this, lengthGetter); |
| return true; |
| } |
| |
| bool ok; |
| unsigned index = propertyName.toUInt32(&ok); |
| if (ok && index < m_nodes.size()) { |
| slot.setCustomIndex(this, index, indexGetter); |
| return true; |
| } |
| |
| // For IE compatibility, we need to be able to look up elements in a |
| // document.formName.name result by id as well as be index. |
| |
| AtomicString atomicPropertyName = propertyName; |
| for (unsigned i = 0; i < m_nodes.size(); i++) { |
| Node* node = m_nodes[i].get(); |
| if (node->hasAttributes() && node->attributes()->id() == atomicPropertyName) { |
| slot.setCustomIndex(this, i, indexGetter); |
| return true; |
| } |
| } |
| |
| return DOMObject::getOwnPropertySlot(exec, propertyName, slot); |
| } |
| |
| } // namespace WebCore |